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- fix possible crash introduced by cvRound

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This commit is contained in:
Vincent Rabaud 2011-05-23 20:03:16 +00:00
parent 72728b4481
commit 974799acd8
1 changed files with 2 additions and 1 deletions
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3
modules/features2d/src/orb.cpp
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@ -388,7 +388,8 @@ public:
private: private:
static inline int angle2Wedge(float angle) static inline int angle2Wedge(float angle)
{ {
return cvRound((angle / 360) * kNumAngles); static float scale = float(kNumAngles) / 360.0f;
return std::min(int(std::floor(angle * scale)), kNumAngles - 1);
} }
void generateRelativePattern(int angle_idx, int /*sz*/, cv::Mat & relative_pattern) void generateRelativePattern(int angle_idx, int /*sz*/, cv::Mat & relative_pattern)